Seiko Cal. 3831 - 712

This Spring Drive model from 1989 features a 38mm PVD Black case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5931a2f9a55f]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1989

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